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[217.229.27.143]) by smtp.gmail.com with ESMTPSA id 64-v6sm6469042wrj.50.2018.07.09.10.09.26 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Mon, 09 Jul 2018 10:09:27 -0700 (PDT) Date: Mon, 9 Jul 2018 19:09:26 +0200 From: Thierry Reding To: shenwei.wang@nxp.com Cc: linux-pwm@vger.kernel.org, linux-imx@nxp.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 1/4] pwm: fsl-ftm: Added a dedicated IP interface clock Message-ID: <20180709170926.GF26651@ulmo> References: <20180608192237.11063-1-shenwei.wang@nxp.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="cz6wLo+OExbGG7q/" Content-Disposition: inline In-Reply-To: <20180608192237.11063-1-shenwei.wang@nxp.com> User-Agent: Mutt/1.10.0 (2018-05-17) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --cz6wLo+OExbGG7q/ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Jun 08, 2018 at 02:22:34PM -0500, shenwei.wang@nxp.com wrote: > The current driver assumes that the ftm_sys clock works as > one of the clock sources for the IP block as well as the IP > interface clock. This assumption does not apply any more on > the latest i.MX8x SoC family. On i.MX8x SoCs, a dedicated IP > interface clock is introduced and it must be enabled before > accessing any FTM registers. Moreover, the clock can not be > used as the source clock for the FTM IP block. This patch > introduces the ipg_clk as the dedicated IP interface clock > and by default it is the same as the ftm_sys clock if not > specified. >=20 > Signed-off-by: Shenwei Wang > --- > drivers/pwm/pwm-fsl-ftm.c | 22 ++++++++++++++++------ > 1 file changed, 16 insertions(+), 6 deletions(-) Applied, thanks. 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